GridView跨列

default.aspx

  <asp:GridView ID="GridView1" BorderColor="Black" OnRowDataBound="GridView1_RowDataBound"  runat="server" AutoGenerateColumns="False"  Font-Size="12px" width="629px" OnRowCreated="GridView1_RowCreated">
          <Columns>
            <asp:BoundField DataField="ID" HeaderText="编号" >
                <HeaderStyle Width="40px" />
                <ItemStyle Width="40px" />
            </asp:BoundField>
            <asp:BoundField DataField="EmpID" HeaderText="账号" >
                <HeaderStyle Width="70px" />
                <ItemStyle Width="70px" />
            </asp:BoundField>
            <asp:BoundField DataField="EmpRealName" HeaderText="姓名" >
                <HeaderStyle Width="60px" />
                <ItemStyle Width="60px" />
            </asp:BoundField>
            <asp:BoundField DataField="EmpSex" HeaderText="性别" >
                <HeaderStyle Width="40px" />
                <ItemStyle Width="40px" />
            </asp:BoundField>
            <asp:BoundField DataField="EmpAddress" HeaderText="住址" >
                <HeaderStyle Width="140px" />
                <ItemStyle Width="140px" />
            </asp:BoundField>
            <asp:BoundField DataField="EmpZipCode" HeaderText="邮编" >
                <HeaderStyle Width="40px" />
                <ItemStyle Width="40px" />
            </asp:BoundField>
            <asp:BoundField DataField="EmpBirthday" HeaderText="生日" DataFormatString="{0:d}" HtmlEncode="False" >
                <HeaderStyle Width="120px" />
                <ItemStyle Width="120px" />
            </asp:BoundField>
            <asp:BoundField DataField="EmpSalary" HeaderText="月薪" >
                <HeaderStyle Width="40px" />
                <ItemStyle Width="40px" />
            </asp:BoundField>
          </Columns>
            <RowStyle HorizontalAlign="Center" />
            <PagerStyle HorizontalAlign="Center" />
            <HeaderStyle BackColor="Azure" Font-Bold="True" ForeColor="Black" CssClass="Freezing" Font-Size="12px" HorizontalAlign="Center"/>
        </asp:GridView>

default.aspx.cs

protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            bind();
        }
    }
    /// <summary>
    /// 绑定数据
    /// </summary>
    public void bind()
    {
        string sqlStr = "select * from Employee";
        DataSet myds = Common.dataSet(sqlStr);
        GridView1.DataSource = myds;
        GridView1.DataKeyNames = new string[] { "ID" };
        GridView1.DataBind();
    }
    /// <summary>
    /// 在 GridView 控件中创建新行时发生，此事件通常用于在创建某个行时修改该行的布局或外观
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void GridView1_RowCreated(object sender, GridViewRowEventArgs e)
    {
        switch (e.Row.RowType)
        {
            //判断是否表头
            case DataControlRowType.Header:
                //第一行表头
                TableCellCollection tcHeader = e.Row.Cells;
                tcHeader.Clear();

                tcHeader.Add(new TableHeaderCell());
                tcHeader[0].Attributes.Add("rowspan", "3");
                tcHeader[0].Attributes.Add("bgcolor", "Azure");
                tcHeader[0].Text = "编号";

                tcHeader.Add(new TableHeaderCell());
                tcHeader[1].Attributes.Add("colspan", "6");
                tcHeader[1].Attributes.Add("bgcolor", "Azure");
                tcHeader[1].Text = "基  本  信  息";

                tcHeader.Add(new TableHeaderCell());
                tcHeader[2].Attributes.Add("bgcolor", "Azure");
                tcHeader[2].Text = "福利</tr><tr>";

                tcHeader.Add(new TableHeaderCell());
                tcHeader[3].Attributes.Add("colspan", "6");
                tcHeader[3].Attributes.Add("bgcolor", "Azure");
                tcHeader[3].Text = "基  本  信  息";

                tcHeader.Add(new TableHeaderCell());
                tcHeader[4].Attributes.Add("bgcolor", "Azure");
                tcHeader[4].Text = "福利</tr><tr>";
                ////第二行表头
                tcHeader.Add(new TableHeaderCell());
                tcHeader[5].Attributes.Add("bgcolor", "Azure");
                tcHeader[5].Text = "账号";
                tcHeader.Add(new TableHeaderCell());
                tcHeader[6].Attributes.Add("bgcolor", "Azure");
                tcHeader[6].Text = "姓名";
                tcHeader.Add(new TableHeaderCell());
                tcHeader[7].Attributes.Add("bgcolor", "Azure");
                tcHeader[7].Text = "性别";
                tcHeader.Add(new TableHeaderCell());
                tcHeader[8].Attributes.Add("bgcolor", "Azure");
                tcHeader[8].Text = "住址";
                tcHeader.Add(new TableHeaderCell());
                tcHeader[9].Attributes.Add("bgcolor", "Azure");
                tcHeader[9].Text = "邮编";
                tcHeader.Add(new TableHeaderCell());
                tcHeader[10].Attributes.Add("bgcolor", "Azure");
                tcHeader[10].Text = "生日";
                tcHeader.Add(new TableHeaderCell());
                tcHeader[11].Attributes.Add("bgcolor", "Azure");
                tcHeader[11].Text = "月薪";
                break;
        }

效果图